History of the atom- Bohr and Louis De Broglie

Neils Bohr & his Planetary Model

​" He thought the atom was like the solar system"

" That the electrons would orbit the nucleus, like the planets orbit the sun"

"Not bad for his time"

​Louis de Broglie Warner Heinsburg

​Theorized that the atom is 3D!

" They are the fathers of Quantum Mechanics "

Multiple Choice

Rutherford and his students did experiments that showed

• quark

• nucleus

• proton

• electron

Multiple Choice

Bohr discovered that electrons are located in

• the nucleus

• inside protons

• electron cloud

• circular orbits around the nucleus

Multiple Choice

What did De Broglie & Heisenberg contribute to the atom?

• The electron

• The 3D structure

• The proton

• The planetary model

Multiple Choice

The smallest particle of an element that still represents that element.

• Nucleus

• electron

• proton

• atom

Multiple Choice

What is a particle with one positive charge called?

• proton

• electron

• neutron

• quark

Multiple Choice

What was the name of the Model Neils Bohr Constructed?

• Planetary Model

• Plum Pudding

• Quantum Mechanical

Multiple Choice

Which scientist discovered the electrons?

• Dalton

• Thomson

• Atristotle

• Bohr